Add syntax highlighting with syntect.

qml/ClideEditor.qml

@@ -67,7 +67,6 @@ SplitView {
                         // Show the line number.
                         Label {
                             id: numbers
-
                             color: RustColors.linenumber
                             font: textArea.font
                             height: parent.height
@@ -79,7 +78,6 @@ SplitView {
                         // Draw edge along the right side of the line number.
                         Rectangle {
                             id: indicator
-
                             anchors.left: numbers.right
                             color: RustColors.linenumber
                             height: parent.height
@@ -103,19 +101,17 @@ SplitView {
 
             TextArea.flickable: TextArea {
                 id: textArea
-
-                color: RustColors.editor_text
                 focus: true
                 persistentSelection: true
+                antialiasing: true
                 selectByMouse: true
-                selectedTextColor: RustColors.editor_highlighted_text
                 selectionColor: RustColors.editor_highlight
+                selectedTextColor: RustColors.editor_highlighted_text
                 textFormat: Qt.AutoText
                 wrapMode: TextArea.Wrap
-                text: FileSystem.readFile(root.filePath)
 
-                background: Rectangle {
-                    color: RustColors.editor_background
+                Component.onCompleted: {
+                    textArea.text = FileSystem.readFile(FileSystem.filePath)
                 }
 
                 onLinkActivated: function (link) {